openMVS/vcglib/wrap/system/multithreading/mutex.h

#ifndef MT_MUTEX_H
#define MT_MUTEX_H

#include "base.h"

#include <pthread.h>

namespace mt
{

class condition;

class mutex
{
    MT_PREVENT_COPY(mutex)

    public:

        typedef mutex this_type;
        typedef void  base_type;

        mutex(void)
        {
            pthread_mutex_init(&(this->m), 0);
        }

        ~mutex(void)
        {
            pthread_mutex_destroy(&(this->m));
        }

        void lock(void)
        {
            pthread_mutex_lock(&(this->m));
        }

        void unlock(void)
        {
            pthread_mutex_unlock(&(this->m));
        }
        bool tryLock(void)
        {
            int a = pthread_mutex_trylock(&(this->m));
            return a == 0;
        }

    private:

        friend class condition;

        pthread_mutex_t m;
};

}

#endif // MT_MUTEX_H